64934023123201 has 16 divisors (see below), whose sum is σ = 68433666840000. Its totient is φ = 61442602223616.

The previous prime is 64934023123139. The next prime is 64934023123213. The reversal of 64934023123201 is 10232132043946.

It is a happy number.

It is not a de Polignac number, because 64934023123201 - 2¹⁷ = 64934022992129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64934023123271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144672990 + ... + 145121128.

It is an arithmetic number, because the mean of its divisors is an integer number (4277104177500).

Almost surely, 2^{64934023123201} is an apocalyptic number.

It is an amenable number.

64934023123201 is a deficient number, since it is larger than the sum of its proper divisors (3499643716799).

64934023123201 is a wasteful number, since it uses less digits than its factorization.

64934023123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457296.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 64934023123201 in words is "sixty-four trillion, nine hundred thirty-four billion, twenty-three million, one hundred twenty-three thousand, two hundred one".